CN208040288U - One kind is emergent to have put down folding ladder - Google Patents
One kind is emergent to have put down folding ladder Download PDFInfo
- Publication number
- CN208040288U CN208040288U CN201721781488.1U CN201721781488U CN208040288U CN 208040288 U CN208040288 U CN 208040288U CN 201721781488 U CN201721781488 U CN 201721781488U CN 208040288 U CN208040288 U CN 208040288U
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- CN
- China
- Prior art keywords
- body frame
- main body
- hinged
- support portion
- put down
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- Expired - Fee Related
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Abstract
It meets an urgent need the utility model is related to one kind and having put down folding ladder, including stage portion, base portion and support portion, one end of the stage portion and one end of base portion are hinged, the other end of stage portion and the top of support portion are hinged, the bottom end of the support portion is connect with base portion sliding fit, the bottom end of support portion can be moved along the length horizontal of pedestal, adjust the angle of inclination of stage portion.The device foldable, is readily transported;It is supported using self structure, is supported without foreign object, adapt to the use of complicated state;It is ascended a height mode using step, the people of different age group is facilitated to walk, it is safe and convenient;The folding that step part can be controlled can be used when step is not deployed as inclined-plane, convenient for the transport of small-sized belt wheel equipment;It can also be used as road and bridge use after folding device, can play situations such as encountering gully, brook and most use.
Description
Technical field
The utility model belongs to disaster relief rescue outfit field, and in particular to one kind is emergent to have put down folding ladder.
Background technology
When disaster generation or in certain emergency conditions, many situations need the presence of a emergency escape ladder, for example are needing
On the transfer victims of the disaster to eminence platform or need across gully etc., user of service includes child, old man etc., it is therefore desirable to it is a just
In walking, and it is applicable in the ladder of a variety of situations, road and bridge.
Existing product has the following problems:1)Yi shaped ladder, double ladder, hook ladder climbing mode determine to be not suitable for old man, youngster
Child is applicable in, and especially in the case where number is excessive, it is low to be applicable in dangerous and efficiency;2)Yi shaped ladder, double ladder, hook ladder ring
Border restricts greatly, and yi shaped ladder, hook ladder need the dependence of environment object, and double ladder is not applied for multiple bottom surface flatness requirement height
Miscellaneous situation.
Utility model content
The purpose of this utility model is to be directed to problems of the prior art, provides a kind of meet an urgent need and has put down folding ladder, changes
The occupation mode for becoming original ladder trick climbing is ascended a height mode using step, is leaned on without relying upon environment object, utilize itself knot
Structure supports;And height is adjustable, can meet it is different ascend a height height the needs of.Device has a switching device, can control step
Partial folding can be used when step is not deployed as inclined-plane, convenient for the transport of small-sized belt wheel equipment.
The utility model is achieved through the following technical solutions:One kind is emergent to have put down folding ladder, including stage portion, pedestal
Portion and support portion, one end of the stage portion and one end of base portion are hinged, and the other end of stage portion and the top of support portion are cut with scissors
It connects, the bottom end of the support portion is connect with base portion sliding fit, and the bottom end of support portion can be moved along the length horizontal of pedestal, is adjusted
Save the angle of inclination of stage portion.
The stage portion includes pedal, main body frame and pedal adjusting rod, and the main body frame is rectangle, and pedal is adjusted
Bar is set to the lower section of main body frame both sides, and the distal end of one end and main body frame is hinged by connecting rod, and the other end is hinged with
Pin joint piece;Pedal is uniformly distributed along the length of main body frame, and the side of width and the two sides of main body frame are hinged, width it is another
Side is fixed with supporting rod downward vertically, and the bottom end of support plate and pedal adjusting rod are hinged;The pedal adjusting rod, which can drive, to be stepped on
Plate rotates, and is converted between step state or ramp state, pin joint piece can be fixed with base portion or main body frame, and pedal is made to tie up
It holds in step or ramp state.
The pin joint piece includes a cuboid connector, and the top of connector is equipped with groove, the one pair of which side of groove
Face is arranged with through-hole, another side of groove is equipped with the parallel gap of twice, the side is made to form mountain font from top to bottom
Structure is provided with L-shaped bolt in groove;The fixation with pin hole is equipped on the side of the main body frame and base portion
Part;When connector and fixing piece are fixed, the cross bar of L-shaped bolt is stretched to across through-hole in the pin hole of fixing piece, longitudinal rod
Rotary spacing close in the gap of the side through hole, realizes the fixation of connector and fixing piece in epsilon-type structure.
The side of the main body frame is welded with block parts, and block parts are equipped with pin hole, the fixation as pin joint piece
Part.
The base portion includes rectangular body frame, and the inside of the two sides of main body frame is equipped with slideway, main body frame
Quadrangle supporting leg is set, one end of main body frame is equipped with the mounting platform for fitting stepped portion, and the other end is equipped with and can control
The folding power system of support portion movement.
The mounting platform includes two vertical weldings in the plate body of the two sides of main body frame, and plate body is equipped with hinged
Axis, for hinged stage portion;One end forms L-shaped platform as fixing piece, and the facade of L-shaped platform is equipped with lateral pin hole, pin joint piece
When being positioned over L-shaped platform base, L-shaped bolt is inserted into pin hole.
The folding power system includes lithium battery group, electric motor, switch and leading screw;The leading screw is set to main body frame
The center of width is threadedly coupled with the bottom end of support portion, and the both ends of leading screw are respectively by bearing block support in main body frame, silk
One end of thick stick is fixed with gear, by the gear reduced drive on electric motor output shaft;Electric motor is connect with lithium battery group, electricity
Setting switch in road can drive leading screw to rotate when electric motor rotation, to keep the bottom end of support portion flat along leading screw or so
It moves.
The electric motor, switch and lithium battery group are fixedly installed on main body frame.
The electric motor forward and reverse can rotate.
The main body frame, which is equipped with, reinforces cross bar, and the bearing block of wherein one end of leading screw, which is installed on, to be reinforced on cross bar.
The distal end of the base portion is slidably connected telescoping elongate frame, extends base of frame and installs wheel.
The supporting leg is threadedly coupled with the internal thread connecting piece for being set to main body frame both sides, can be facilitated and be adjusted supporting leg
Highly, ensure that base portion is horizontal.
The support portion includes V-shaped holder, and holder bottom end is hinged with sliding support, and the middle part of sliding support is equipped with interior spiral shell
Line connector, the connector are connect with threads of lead screw, and the both ends of sliding support are equipped with piston shoes, and the slideway sliding with base portion is matched
Close connection.
The middle part of the holder, which is equipped with, reinforces cross bar.
The folding ladder is equipped with rebound, and rebound can work as platform with the top of stage portion or bottom end overlap joint or mounting
When the marking time of rank portion is set as ramp, rebound is installed on to the upper and lower ends of stage portion, realize stage portion and ground and is built
The transition between object is built, equipment is facilitated smoothly to walk.
The utility model has the beneficial effects that:The device foldable, is readily transported;It is supported using self structure, without borrowing
It helps foreign object to support, adapts to the use of complicated state;It is ascended a height mode using step, the people of different age group is facilitated to walk, safety,
It is convenient;The folding that step part can be controlled can be used when step is not deployed as inclined-plane, be equipped convenient for small-sized belt wheel
Transport;It can also be used as road and bridge use after folding device, can play situations such as encountering gully, brook and most use.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of the utility model.
Attached drawing 2 is to mark time to form the structural schematic diagram of ramp state.
Attached drawing 3 is the structural schematic diagram under ladder collapses state.
Attached drawing 4 is the structural schematic diagram of folding power system.
Attached drawing 5 is the structural schematic diagram of pin joint piece and fixing piece.
In figure, 1. stage portions, 1-1. pedals, 1-2. main body frames, 1-3. pedal adjusting rods, 1-4. connecting rods, 1-5. pins
Fitting, 1-51. connectors, 1-52. L-shaped bolts, 1-6. fixing pieces, 1-61. pin holes, 2. base portions, 2-1. main body frames, 2-
11. reinforcing cross bar, 2-2. supporting legs, 2-3. mounting platforms, 2-4. folding power systems, 2-41. battery packs, 2-42. motor horses
It reaches, 2-43. switches, 2-44. leading screws, 2-45. gears, 2-46. gears, 2-5. fixing pieces, 2-51. pin holes, 2-6. slideways, 2-7.
Extension frame, 2-8. wheels, 3. support portions, 3-1. holders, 3-2. sliding supports, 3-3. connectors, 3-4. reinforcement cross bars, 4.
Rebound.
Specific implementation mode
As shown in Fig. 1, a kind of meet an urgent need has put down folding ladder, including stage portion 1, base portion 2 and support portion 3, the step
The one end in portion 1 is hinged with one end of base portion 2, and the other end of stage portion 1 is hinged with the top of support portion 3, the support portion 1
Bottom end is connect with 2 sliding fit of base portion, and the bottom end of support portion 3 can be moved along the length horizontal of pedestal 2, adjusts stage portion 1
Angle of inclination.
As illustrated in fig. 1 and 2, the stage portion 1 includes pedal 1-1, main body frame 1-2 and pedal adjusting rod 1-3, the master
Body frame 1-2 is rectangle, and pedal adjusting rod 1-3 is set to the lower section of the both sides main body frame 1-2, and one end and main body frame 1-
2 distal end is hinged by connecting rod 1-4, and the other end is hinged with pin joint piece 1-5;Pedal 1-1 is equal along the length of main body frame 1-2
Cloth, the side of width is hinged with the two sides of main body frame 1-2, and the other side of width is fixed with supporting rod downward vertically, branch
The bottom end of fagging is hinged with pedal adjusting rod 1-3;The pedal adjusting rod 1-3 can drive pedal 1-1 to rotate, in step state
Or converted between the state of ramp, pin joint piece 1-5 can be fixed with base portion 2 or main body frame 1-2, and pedal 1-1 is made to maintain platform
Rank or ramp state.
As shown in figure 5, the pin joint piece 1-5 includes a cuboid connector 1-51, the top of connector 1-51 is equipped with
Groove, the one pair of which side of groove are arranged with through-hole, and another side of groove is equipped with that twice are parallel to slit from top to bottom
Mouthful, so that the side is formed epsilon-type structure, L-shaped bolt 1-52 is provided in groove;The side and bottom of the main body frame 1-2
Fixing piece 1-6,2-5 with pin hole 1-61,2-51 are equipped in portions 2;When connector 1-5 and fixing piece 1-6,2-5 are fixed
When, the cross bar of L-shaped bolt 1-52 is stretched to across through-hole in pin hole 1-61,2-51 of fixing piece 1-6,2-5, longitudinal rod rotation
Epsilon-type structure is limited in close in the gap of the side through hole, realizes the fixation of connector 1-5 and fixing piece 1-6,2-5.
The side of the main body frame 1-2 is welded with block parts, and block parts are equipped with pin hole 1-61, as pin joint piece
The fixing piece 1-6 of 1-61.
As shown in figure 4, the base portion 2 includes rectangular body frame 2-1, the inside of the two sides of main body frame 2-1
Equipped with slideway 2-6, supporting leg 2-2 is arranged in the quadrangle of main body frame 2-1, and one end of main body frame 2-1, which is equipped with, is used for fitting stepped portion 1
Mounting platform 2-3, the other end be equipped with can control support portion 2 movement folding power system 2-4.
As shown in figure 5, the mounting platform 2-3 includes two vertical weldings in the plate body of the two sides of main body frame 2-1,
Plate body is equipped with articulated shaft 2-31, for hinged stage portion 1;One end forms L-shaped platform as fixing piece 2-5, and L-shaped platform is stood
Face is equipped with lateral pin hole 2-51, and when pin joint piece 1-5 is positioned over L-shaped platform base, L-shaped bolt 1-52 is inserted into pin hole 2-51
It is interior.
As shown in figure 4, the folding power system 2-4 include lithium battery group 2-41, electric motor 2-42, switch 2-43 and
Leading screw 2-44;The leading screw 2-44 is set to the center of main body frame 2-1 width, is threadedly coupled with the bottom end of support portion 3, leading screw 2-
44 both ends are respectively by bearing block support in main body frame 2-1, and one end of leading screw 2-44 is fixed with gear 2-45, by motor
Gear 2-46 deceleration transmissions on motor 2-42 output shafts;Electric motor 2-42 is connect with lithium battery group 2-41, is arranged on circuit
Switch 2-43 can drive leading screw 2-44 to rotate, to make the bottom end of support portion 3 along leading screw 2- when electric motor 2-42 rotations
44 or so translations.
As shown in Figure 1, the electric motor 2-42, switch 2-43 and lithium battery group 2-41 are fixedly installed in body frame
On frame 2-1.
The electric motor 2-42 forward and reverse can be rotated.
The main body frame 2-1, which is equipped with, reinforces cross bar 2-11, and the bearing block of wherein one end of leading screw 2-44, which is installed on, to be added
On tyrannical bar 2-11.
The distal end of the base portion 2 is slidably connected telescoping elongate frame 2-7, extends the bottoms frame 2-7 installation wheel 2-
8。
The supporting leg 2-2 is threadedly coupled with the internal thread connecting piece for being set to the both sides main body frame 2-1, can facilitate adjusting
The height of supporting leg 2-2 ensures that base portion 2 is horizontal.
As shown in figure 3, the support portion 3 is hinged with sliding support 3-2 including the bottom ends V-shaped holder 3-1, holder 3-1, it is sliding
The middle part of dynamic holder 3-2 is threadedly coupled equipped with female screw connection 3-3, the connector 3-3 with leading screw 2-44, sliding support 3-
2 both ends are equipped with piston shoes, are slidably connected with the slideway 2-6 of base portion 2.
The middle part of the holder 3-1, which is equipped with, reinforces cross bar 3-4.
As shown in Fig. 2, the folding ladder is equipped with rebound 4, rebound 4 can be taken with the top of stage portion 1 or bottom end
It connects or mounts, when the 1-1 that marks time of stage portion 1 is set as ramp, rebound 4 is installed on to the upper and lower ends of stage portion 1, realize
Transition between stage portion 1 and ground and building, facilitates equipment smoothly to walk.
In conjunction with shown in Fig. 1-Fig. 5, in the above scheme, ladder uses foldable structure, passes through base portion 2, support portion 3 and platform
Rank portion 1 builds triangle, is supported using one side, achievees the effect that have difference in height at 2 points.It in this way can be by adjusting support portion 3
Angle adjust 2 points of difference in height, to be adjusted to the angle of inclination of stage portion 1.It is controlled by motor switch 2-43
Device carrys out the positive and negative rotation of regulation motor motor 2-42, is turned to control leading screw 2-44, realizes that the left and right of 3 bottom end of support portion is flat
It moves.Main body frame 1-2, pedal adjusting rod 1-3, the connecting rod 1-4 of stage portion 1 form parallelogram sturcutre, can be to pedal
1-1 carries out angular adjustment, makes pedal 1-1 can be parallel to the ground under step state, and can realize platform in conjunction with pin joint piece 1-5
The conversion and fixation of rank and ramp can both use as ladder, and also allow for the transport of state of emergency lower belt wheel tool;Work as pedestal
Portion 2, support portion 3 and stage portion 1 fully come together, and can be across on river or irrigation canals and ditches, are used as interim pontic;Four can
The setting of supporting leg 2-2 is adjusted, is convenient for folding ladder in the placement of Different Ground;The setting of wheel 2-8 facilitates the movement of ladder.
Claims (8)
1. one kind is emergent to have put down folding ladder, which is characterized in that including stage portion, base portion and support portion, the one of the stage portion
End and one end of base portion are hinged, and the other end of stage portion and the top of support portion are hinged, the bottom end of the support portion and pedestal
Portion's sliding fit connection, the bottom end of support portion can be moved along the length horizontal of pedestal, adjust the angle of inclination of stage portion;Described
Rank portion includes pedal, main body frame and pedal adjusting rod, and the main body frame is rectangle, and pedal adjusting rod is set to main body frame
The lower section of both sides, and the distal end of one end and main body frame is hinged by connecting rod, the other end is hinged with pin joint piece;Pedal is along main
The length of body frame is uniformly distributed, and the side of width and the two sides of main body frame are hinged, and the other side of width is connected downward vertically
There are supporting rod, the bottom end of support plate and pedal adjusting rod hinged;The pedal adjusting rod can drive pedal to rotate, step-like
It is converted between state or ramp state, pin joint piece can be fixed with base portion or main body frame, and pedal is made to maintain step or ramp
State;The folding ladder is equipped with rebound, and rebound can work as stage portion with the top of stage portion or bottom end overlap joint or mounting
Mark time when being set as ramp, rebound is installed on to the upper and lower ends of stage portion, realizes stage portion and ground and building
Between transition, facilitate equipment smoothly to walk.
2. a kind of meet an urgent need according to claim 1 has put down folding ladder, which is characterized in that the pin joint piece includes one rectangular
The top of body connector, connector is equipped with groove, and the one pair of which side of groove is arranged with through-hole, another side of groove
It is equipped with the parallel gap of twice from top to bottom, so that the side is formed epsilon-type structure, L-shaped bolt is provided in groove;The master
The fixing piece with pin hole is equipped on body frame facet and base portion;When connector and fixing piece are fixed, L-shaped bolt
Cross bar stretched in the pin hole of fixing piece across through-hole, longitudinal rod rotary spacing is in epsilon-type structure close to the side through hole
In gap, the fixation of connector and fixing piece is realized.
3. a kind of meet an urgent need according to claim 1 has put down folding ladder, which is characterized in that weld the side of the main body frame
There are block parts, block parts to be equipped with pin hole, the fixing piece as pin joint piece.
4. a kind of meet an urgent need according to claim 1 has put down folding ladder, which is characterized in that the base portion includes rectangle master
The inside of body frame, the two sides of main body frame is equipped with slideway, and supporting leg is arranged in the quadrangle of main body frame, and one end of main body frame is set
It is useful for the mounting platform of fitting stepped portion, the other end is equipped with the folding power system that can control support portion movement.
5. a kind of meet an urgent need according to claim 4 has put down folding ladder, which is characterized in that the mounting platform includes two and hangs down
The plate body of the straight two sides for being welded in main body frame, plate body are equipped with articulated shaft, for hinged stage portion;It is flat that one end forms L-shaped
Platform is equipped with lateral pin hole as fixing piece, the facade of L-shaped platform.
6. a kind of meet an urgent need according to claim 4 has put down folding ladder, which is characterized in that the folding power system includes lithium
Battery pack, electric motor, switch and leading screw;The leading screw is set to the center of main body frame width, the bottom end screw thread with support portion
Connection, the both ends of leading screw are respectively by bearing block support in main body frame, and one end of leading screw is fixed with gear, by electric motor
Gear reduced drive on output shaft, electric motor forward and reverse can rotate;Electric motor is connect with lithium battery group, on circuit
Setting switch can drive leading screw to rotate when electric motor rotation, to make the bottom end of support portion be translated along leading screw or so.
7. a kind of meet an urgent need according to claim 4 has put down folding ladder, which is characterized in that the distal end sliding of the base portion connects
Telescoping elongate frame is connect, extends base of frame and wheel is installed.
8. a kind of meet an urgent need according to claim 6 has put down folding ladder, which is characterized in that the support portion includes V-shaped branch
Frame, holder bottom end are hinged with sliding support, and the middle part of sliding support is equipped with female screw connection, the connector and threads of lead screw
The both ends of connection, sliding support are equipped with piston shoes, are slidably connected with the slideway of base portion;The middle part of holder, which is equipped with, reinforces cross
Bar.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721781488.1U CN208040288U (en) | 2017-12-19 | 2017-12-19 | One kind is emergent to have put down folding ladder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721781488.1U CN208040288U (en) | 2017-12-19 | 2017-12-19 | One kind is emergent to have put down folding ladder |
Publications (1)
Publication Number | Publication Date |
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CN208040288U true CN208040288U (en) | 2018-11-02 |
Family
ID=63955508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721781488.1U Expired - Fee Related CN208040288U (en) | 2017-12-19 | 2017-12-19 | One kind is emergent to have put down folding ladder |
Country Status (1)
Country | Link |
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CN (1) | CN208040288U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110344749A (en) * | 2019-07-25 | 2019-10-18 | 浦江概念五金科技有限公司 | Portable domestic folding ladder |
-
2017
- 2017-12-19 CN CN201721781488.1U patent/CN208040288U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110344749A (en) * | 2019-07-25 | 2019-10-18 | 浦江概念五金科技有限公司 | Portable domestic folding ladder |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20191219 |